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Italian city-states
Isin
Hong Kong
Guanabara (state)
Greek city-states
German city-states
Gath (city)
Free Territory of Trieste
Free State of Fiume
Free imperial cities
Free City of Lübeck
Free City of Kraków
Free City of Frankfurt
Free City of Danzig
Cretan city-states
Carthage
Basel-Stadt
Precolonial barangays
Athens
Ancient city of Rome
City-states
Successor states
States with limited recognition
Rump states
Roman buffer states
Client state
Countries by status
World Trade Organization member economies
Members of the Unrepresented Nations and Peoples Organization
Member states of the United Nations
Member states of the Union of South American Nations
Member states of the Union for the Mediterranean
Members of the International Organization of Turkic Culture
Member states of the Three Seas Initiative
Member states of the South Asian Association for Regional Cooperation
Member states of the Organisation of Islamic Cooperation
Member states of the Organisation of Eastern Caribbean States
Member states of OPEC
OECD member economies
Members of the Nordic Council
Member states of NATO
Member states of Mercosur
Member states of the Gulf Cooperation Council
G20 members
G15 nations
Member states of the Organisation internationale de la Francophonie
Member states of the European Union
Member states of the European Free Trade Association
Member states of the Eurasian Economic Union
Member states of the Dutch Language Union
Developing 8 Countries member states
Members of the Delian League
Member states of the Council of Europe
Member states of the Community of Portuguese Language Countries
Member states of the Commonwealth of Nations
Member states of the Commonwealth of Independent States
Member states of the Collective Security Treaty Organization
Member states of the Caribbean Community
BRICS nations
Member states of ASEAN
Member states of the Arab League
Member states of the African Union
Countries by international organization
Totalitarian states
Theocracies
Socialist states